Submission #185319

#	Time	Username	Problem	Language	Result	Execution time	Memory
185319		mohammad	Boxes with souvenirs (IOI15_boxes)	C++17	100 / 100	762 ms	137556 KiB

boxes

/*
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*/
 
#include<bits/stdc++.h>
#include "boxes.h"
using namespace std;
 
typedef long long ll ;
const ll oo = 1e13 ;
const double PI = acos(-1) ;
const ll M = 1e9 + 7  ;

ll ans = 1e18;

ll delivery(int N, int K, int L, int p[]){
	int n = N , k = K ;
	sort(p , p + n);
	for(int i = 0 ; i < k ; ++i){
		ll d = 0 ;
		int j ;
		for(j = i ; j + K - 1 < N ; j += K)
			d += min(p[j + k - 1] + min(p[j + k - 1] , L - p[j + k - 1]) , L - p[j] + min(L - p[j] , p[j]));
		if(j != N) d += min(p[N - 1] + min(p[N - 1] , L - p[N - 1]) , L - p[j] + min(L - p[j] , p[j]));
		if(i) d+= min(L - p[0] + min(L - p[0] , p[0]) , p[i - 1] + min(p[i - 1] , L - p[i - 1]));
		ans = min(ans , d);
	}
	return ans ;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30